Promethium 62 was a mineral which could be used to break Dalek force fields. The Second Great and Bountiful Human Empire discovered large supplies of Promethium 62 on JT227, which they had Spindroids mine out. (PROSE: The Match of the Daleks)
Promethium 62 was a mineral which could be used to break Dalek force fields. The Second Great and Bountiful Human Empire discovered large supplies of Promethium 62 on JT227, which they had Spindroids mine out. (PROSE: The Match of the Daleks)